Skateboard accessory device



FIG. 1 is a perspective view of a skateboard accessory device showing my new design;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a back view thereof; and,

FIG. 6 is aside view thereof (opposite side view is mirror image).

In FIG. 1, the broken lines showing environmental structure are for the purposes of illustrating the skateboard accessory device in a condition of use. In FIGS. 3 & 4 the broken lines represent unclaimed portions of the design. None of the broken lines or the structures they depict forms a part of the claimed design. 

CLAIM The ornamental design for a skateboard accessory device, as shown and described. 